JET Systems 1/2SS-1C-15, 1/2 Ton, 1Ph, 15' Lift, 115/230V, Prewired 230V (121150), Feet Designed for commercial and industrial applications 1/2-ton to 5-ton capacities, single or three phase models 10-Feet, 15-Feet, 20-Feet, lifts standard, custom lifts available Easy to install, inspect and maintain Totally enclosed steel plate construction with a durable powder coat finish. Gear train features lifetime lubrications, no oil change required